A form of epilepsy characterized by myoclonus occurring bilaterally and especially in the upper limbs, most often between the age of 12 and 18 years, often after awakening. In Girls it may be associated with menstruation. The patient may have major and minor epileptic seizures. Probably due to a mutated gene localized on the short arm of chromosome 6.
We thank Dr. Günter Krämer, Zürich, Switzerland, for information submitted.
- D. Janz, W. Christian:
Impulsiv-Pétit-mal. Deutsche Zeitschrift für Nervenheilkunde, 1957, 176: 346-386.
- B. Schmitz, T. Sander, editors:
Juvenile Myoclonic Epilepsy. The Janz Syndrome.
Petersfield, UK and Philadelphia, USA, Wrightson Biomedical Publishing Ltd, 2000.
What is an eponym?An eponym is a word derived from the name of a person, whether real or fictional. A medical eponym is thus any word related to medicine, whose name is derived from a person.
What is Whonamedit?Whonamedit.com is a biographical dictionary of medical eponyms. It is our ambition to present a complete survey of all medical phenomena named for a person, with a biography of that person.
Disclaimer:Whonamedit? does not give medical advice.
This survey of medical eponyms and the persons behind them is meant as a general interest site only. No information found here must under any circumstances be used for medical purposes, diagnostically, therapeutically or otherwise. If you, or anybody close to you, is affected, or believe to be affected, by any condition mentioned here: see a doctor.